1Ample storage space allows you to back up your photos, record good memory videos, listen to music or books in the car, provide power point presentations or projects and normal file backup. 2The transmission rate of the memory stick is 4Mb20Mb/S. It adopts allmetal integrated design without cover, just plug and play, no need to install any software. 3This flash drive is waterproof and can be used dry even if it is accidentally dropped into the water. The retro heartshaped design adds a cute appearance to the USB, which makes people love it. 4The highquality metal shell is durable and provides you with reliability, because the metal shell provides you with protection against dust, water, temperature and shock. 5The memory stick is suitable for for Window 2003/XP/Vista/7/8/10/OS X/Linux. Compatible with all devices with USBA port desktops, laptops, tablets, TVs, speakers. Item Type: Flash Drive Material: Metal Interface: USB 2.0 Backward Compatible Transmission Rate: 4Mb-20Mb/S Compatible System: For Window2003/XP/Vista/7/8/10/OS X/Linux Applicable Equipment: Computer, Car, BT Speaker, TV and Other Devices That Support USB Expansion. 1 x Flash Drive